Porsche Carrera GT Tires

Porsche Carrera GT stands among the defining supercars of the early 2000s, combining race-bred engineering with an uncompromising, low-production design that quickly earned collector status. Built for 2004 and 2005, Porsche Carrera GT was conceived as a high-performance road car with exotic proportions, immense power, and chassis tuning that depends heavily on correct tire fitment. Tire selection is not difficult because of year-to-year changes here, but it is still non-trivial because the car uses a staggered setup with different front and rear sizes and two different wheel diameters. Before choosing a tire, confirm whether you are replacing the 19-inch front fitment, the 20-inch rear fitment, or both as a matched set.

Porsche Carrera GT Tire Size Guide

Porsche Carrera GT uses 2 distinct tire sizes across the 2004 to 2005 production span. The car carries a staggered wheel setup rather than a mid-production change, with 19-inch front wheels and 20-inch rear wheels used throughout both years. That makes front-versus-rear position the critical first check before choosing a tire.

265/35R192004-2005Metric radial

265/35R19 is the front tire size used on Porsche Carrera GT for both 2004 and 2005. The code indicates a 265 mm section width, a 35 aspect ratio, radial construction, and a 19-inch rim diameter. Choose this size when replacing the front tires on a Porsche Carrera GT, and confirm the wheel position carefully because it does not interchange with the larger rear fitment.

335/30R202004-2005Metric radial

335/30R20 is the rear tire size used on Porsche Carrera GT for both 2004 and 2005. The code indicates a 335 mm section width, a 30 aspect ratio, radial construction, and a 20-inch rim diameter. Choose this size only for the rear axle, and verify the exact rear fitment on the car because the front and rear sizes are intentionally different.

Porsche Carrera GT Tires by Year

The year listing breaks Porsche Carrera GT fitment down by model year and shows the staggered front and rear tire sizes used in each year. Porsche Carrera GT uses 19-inch front wheels and 20-inch rear wheels in both 2004 and 2005, so confirm which wheel position you are matching before selecting a tire.

Best Porsche Carrera GT Tires for Sale

Available Porsche Carrera GT tire options cover the front 265/35R19 size from 2 brands across 3 products. Confirm whether you need the 19-inch front size or the separate 20-inch rear rim diameter before selecting a tire.

265/35R19 Products

These are the available products for 265/35R19.

Radial g-Force

BFG g-Force Sport COMP-2 | 265/35ZR19 98W XL

BFGoodrich - g-Force Sport Comp 2

SidewallBlackwall
Rim Diameter19 in
Rim Width—
Weight29 lb
Max Load—
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Radial Nitto

Nitto NT555 G2 | 265/35ZR19XL 98W

Nitto - Nitto NT555 G2

SidewallBlackwall
Rim Diameter19 in
Rim Width—
Weight29.54 lb
Max Load—
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Radial Phenom

BFGoodrich g-Force Phenom T/A | 265/35ZR19 98Y

BFGoodrich - g-Force Phenom T/A

SidewallBlackwall
Rim Diameter19 in
Rim Width9 - 10.5 inches in
Weight28.97 lb
Max Load1653 lbs at 50 psi
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Frequently Asked Questions

The FAQs below focus on the staggered 19-inch front and 20-inch rear setup used on Porsche Carrera GT, how to identify the correct size by wheel position, and what to consider when choosing among the available radial tire options.

Size Basics & Fitment

Porsche Carrera GT uses two tire sizes across both 2004 and 2005: 265/35R19 on the front and 335/30R20 on the rear. The front tire fits a 19-inch wheel, while the rear tire fits a 20-inch wheel. This is a staggered fitment, meaning the front and rear are intentionally different in width, profile, and rim diameter.

That staggered arrangement is central to how Porsche Carrera GT sits and drives, so the first step is identifying which axle you are replacing. Check the markings on the existing tire and verify the wheel diameter at each end of the car. If you are replacing only one pair, match the correct axle rather than assuming the same size is used at all four corners.

Porsche Carrera GT uses two rim diameters at the same time rather than changing from one year to another. The front axle uses a 19-inch rim with the 265/35R19 size, and the rear axle uses a 20-inch rim with the 335/30R20 size. Both 2004 and 2005 models follow that same front-and-rear arrangement.

That means wheel position matters just as much as the tire size itself. A 19-inch front tire cannot be substituted onto the 20-inch rear wheel, and the rear fitment is not interchangeable with the front. If the car has had wheel changes during its life, confirm the actual wheel diameters on the car before choosing replacement tires.

A 2004 Porsche Carrera GT has two tire sizes listed because it uses a staggered setup, with one size for the front axle and another for the rear. The front size is 265/35R19 and the rear size is 335/30R20. The difference is not a trim-level split or an alternate year fitment; it is the standard front-to-rear configuration for the model.

When you see two sizes for the same year, think in terms of wheel position rather than optional equipment. Inspect the tire sidewalls already on the car, confirm which axle needs replacement, and keep the staggered relationship intact. That preserves the intended wheel-to-tire proportions and avoids ordering a front size for a rear wheel or vice versa.

Buying the Right Tire

A 2005 Porsche Carrera GT uses 265/35R19 on the front and 335/30R20 on the rear, so the correct size depends on which axle you are servicing. The simplest confirmation method is to read the sidewall on the existing tire and compare it to the wheel position. Porsche Carrera GT does not use one universal size across all four corners.

Start by checking whether you are replacing front tires, rear tires, or the full set. Then confirm the wheel diameter, because the front is 19 inches and the rear is 20 inches. If the car has aftermarket wheels or previous owner modifications, verify what is physically mounted on the car rather than relying only on model year.

The available Porsche Carrera GT products listed here use blackwall sidewalls. That gives the car the clean, modern performance appearance expected from an early-2000s supercar and matches the visual character most owners want to preserve. No alternate sidewall style appears among the currently listed front-size options.

If visual consistency matters, compare sidewall style across all four tires before mixing brands or series. On a car as visually distinctive as Porsche Carrera GT, mismatched sidewall treatments can stand out quickly. Matching the sidewall look from front to rear is often just as important to owners as matching the tire category itself.

The listed Porsche Carrera GT front-size options come from BFGoodrich and Nitto. Within those brands, the available products include BFGoodrich g-Force Sport Comp 2, BFGoodrich g-Force Phenom T/A, and Nitto NT555 G2. All of the listed products are radial performance tires in the 265/35R19 front fitment.

Brand choice can influence tread design, ride feel, and how closely you want the tires matched across the car. If you are replacing only the front pair, compare overall tire category and dimensions carefully with the rear tires already fitted. Many owners prefer to maintain a balanced setup rather than mixing very different performance intentions front and rear.

The listed Porsche Carrera GT front-size options include three tire series: BFGoodrich g-Force Sport Comp 2, Nitto NT555 G2, and BFGoodrich g-Force Phenom T/A. All three are radial performance-oriented designs, but they represent different product lines within their respective brands. The shared fitment point is the 265/35R19 front size and 19-inch rim diameter.

Choosing between series usually comes down to how you use the car and how closely you want the front tires to match the character of the rest of the set. Compare the existing rear tires, overall appearance, and your driving habits before making a selection. On Porsche Carrera GT, consistency across the staggered setup matters more than choosing by series name alone.

Maintenance & Longevity

Porsche Carrera GT should be stored in a cool, dry, dark space with the tires kept away from direct sunlight, ozone sources, and prolonged heat. Proper inflation matters during storage, especially on a low-slung, high-performance car with wide rear tires that can develop flat spotting if left in one position too long. Clean floors and stable temperatures help preserve both rubber and sidewall appearance.

If the car will sit for extended periods, move it occasionally or use suitable supports to reduce constant load on one contact patch. Check inflation before and after storage rather than assuming the pressures stayed stable. Collector owners who drive infrequently usually get better tire life by treating storage conditions as part of regular tire maintenance.

Tires on a Porsche Carrera GT should be inspected regularly even if the car covers very few miles. Look for age cracking, uneven wear, impact damage, punctures, sidewall distortion, and any evidence that the front and rear tires are not wearing evenly across the staggered setup. Because the car uses different front and rear sizes, each axle should be evaluated on its own terms.

A sensible routine is to inspect the tires before every drive and give them a more thorough check at least several times a year. Include tread depth, inflation pressure, and valve condition in that review. On a collector-grade performance car, low mileage does not remove the need for frequent inspection because time and storage conditions still affect the rubber.

Tires on a Porsche Carrera GT should be replaced when they show age-related cracking, hardening, sidewall damage, puncture repairs that compromise confidence, or any structural irregularity, even if tread depth still looks substantial. Collector cars often age out their tires before they wear them out. Wide, low-profile performance tires can appear visually acceptable while still losing the flexibility and consistency they had when newer.

Do not judge a Porsche Carrera GT tire by tread alone. Check the production date, inspect the sidewalls closely, and have suspect tires evaluated by a knowledgeable tire professional. For a car with this level of performance and value, erring on the side of replacing aged tires is usually more prudent than trying to maximize every remaining mile from an older set.

Restoration & Authenticity

Porsche Carrera GT uses 265/35R19 on the front and 335/30R20 on the rear across both 2004 and 2005. The available products listed here are modern radial tires in the front fitment, but no original-equipment brand claim is established here. The important original-fitment point for identification is the staggered size and wheel-diameter relationship.

For an authenticity-focused car, preserve that front 19-inch and rear 20-inch layout and verify any surviving factory documentation for the exact tire specification originally delivered on your car. Owners pursuing concours-level accuracy should compare tire branding, appearance, and construction details with period reference material. On Porsche Carrera GT, authenticity starts with getting the staggered dimensions correct.

Correct tire fitment can affect both presentation and credibility on a Porsche Carrera GT, especially because the model is a serious collector car with a very specific front-and-rear tire relationship. Using the proper 19-inch front and 20-inch rear fitments maintains the visual stance and mechanical intent associated with the model. Obvious departures from the proper staggered setup can raise questions during judging or private-sale inspection.

Owners concerned with value should treat tire choice as part of the car's overall specification, not as a minor consumable detail. Keep records of tire sizes, installation dates, and any wheel changes made during the car's life. If the car is shown competitively, compare your setup against marque-club standards and period references so the tires support rather than undermine the presentation.

The available Porsche Carrera GT tire products listed here use blackwall sidewalls, which suit the model's modern supercar character and contemporary visual language. On a car from 2004 to 2005, blackwall styling is the expected look rather than a period decorative sidewall treatment. That keeps the appearance clean and technically appropriate for the era.

If you are restoring or preserving Porsche Carrera GT, consistency is the key point. Matching blackwall appearance across both axles will usually look more correct than mixing visibly different sidewall styles. Along with the proper staggered sizes, the sidewall presentation plays an important role in maintaining the car's original visual discipline and overall authenticity.

Safety & Road Use

Modern radial tires in the correct Porsche Carrera GT sizes can be appropriate for public-road use when they are the correct dimensions for the axle, are in sound condition, and are mounted on the proper wheel diameters. Porsche Carrera GT uses 265/35R19 front and 335/30R20 rear, so size accuracy is fundamental to safe use. Condition, age, and proper installation matter just as much as the size markings.

Before road use, make sure the tires are free from age cracking, damage, and uneven wear, and confirm that front and rear positions have not been confused. Because Porsche Carrera GT is an extremely capable performance car, any weakness in the tires is magnified quickly. A careful pre-drive inspection is part of safe operation, even when the car is driven only occasionally.

Before driving a Porsche Carrera GT, check tire pressure, visible condition, tread wear, and correct front-versus-rear fitment. The car should have 265/35R19 on the front and 335/30R20 on the rear, and each tire should be examined for cuts, bulges, punctures, or age-related cracking. Also confirm that the wheels themselves are in good condition and that valve stems are secure.

That inspection routine is especially important on low-mile collector cars, where tires may age more from time than from use. Give the car a brief walkaround every time it leaves the garage, and be alert to any vibration or steering change once underway. Catching a tire issue early is far easier than dealing with it after speed and heat have exposed the problem.

The appropriate speed for a Porsche Carrera GT depends on the exact tires fitted, their age, condition, inflation, and load, not just on the car's capability. Even where a tire carries a modern speed-rated performance designation, that does not override the importance of condition and proper fitment on a collector car. Aged or compromised tires should never be treated as if they can safely support the car's full performance envelope.

Use conservative judgment unless the tires are fresh, correctly matched to the car, and professionally inspected. Warm the car and tires gradually, and avoid assuming that rarity or low mileage means the tires are ready for aggressive driving. On Porsche Carrera GT, responsible speed begins with recognizing that the tire set determines what the car can safely do on the road.